Get "Happy" before the season opening game versus the Packers on September 4.

The 12th Man is sure to be deafeningly loud when the Seattle Seahawks take the field on September 4 for the first regular season game since winning the Super Bowl. Also substantially loud? The pregame festivities. The National Football League and Xbox are hosting 2014 NFL Kickoff, a free pregame concert featuring Seattle rock titians Soundgarden and "Happy" and "Get Lucky" hitmaker Pharrell Williams, to treat Seattle's championship fans and celebrate the start of the new football season.

The musical festivities will occur at CenturyLink Field's North Plaza at 4:30 (one hour prior to game time). Gates to the plaza open at 2:30 for those looking to snag a prime spot. For those wanting to watch from the comfort of home (or your favorite sports bar), the proceedings will also be telecast on NBC and NFL Network. Even if you're not planning on attending the game, the 2014 NFL Kickoff concert offers Hawks fans to get in Super Bowl-winning spirit.

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